C313212111113331323312111133133313331333133313331333133313331323233113313113121   >>    C31321211111333132331211113313331333133313331333133313331333132323311331311312   <<    C313212111113331323312111133133313331333133313331333133313331323233113313113123   >>      C313212111113331323312111133133313331333133313331333133313331323233113313113122   >>